8 a.m. Continuing coverage of the LiveEarth climate crisis concerts kicks off on MSNBC and lasts into late afternoon.
10 a.m. The annual Arab-American and North African Cultural Street Festival, featuring belly dancers, drummers, dervishes and a hookah cafe, kicks off on Great Jones Street at Broadway-Lafayette and lasts well into the evening.
4 p.m. Unions and advocacy groups will hold an immigration workshop and organizing event at the Tepeyac Community Center of Queens, 103-04 39th Avenue.
7 p.m. MoveOn will host a Party for the Planet to watch the Live Earth concert, with a debut video of presidential candidates talking about the environment at Proof Bar & Lounge, 239 Third Avenue between 19th and 20th streets.
8 p.m. LiveEarth begins its primetime broadcast on NBC, featuring concerts from eight cities across the globe.
Rudy Giuliani campaigns in Florida at the University of North Florida and in Orlando, ending his evening at the NASCAR 400 Nextel Cup Series in Daytona.
8 a.m. Senator Chuck Hagel gives an exclusive interview to Tim Russert on an early morning edition of Meet the Press.
10 a.m. Presidential candidates Ron Paul and Mike Gravel appear on This Week with George Stephanopoulos on ABC.
10 a.m. The USO will sponsor a street fair on the Avenue of the Americas between 42nd and 56th streets.
10 a.m. The Dominican Festival will take place on Amsterdam Avenue between 190th and 193rd streets.
10:30 a.m. New York Senator Chuck Schumer and Senator Orrin Hatch discuss Scooter Libby and White House subpoenas on Face the Nation on CBS.
1 p.m. The Brooklyn Puerto Rican Day Parade and Festival will take place from Graham Avenue and Broadway to Lorimer Street and Montrose Avenue.
Bill Richardson will campaign in New Hampshire.
10 a.m. Sen. Velmanette Montgomery will hold a public meeting to examine the sub-prime lending practices in New York State at the Bedford Stuyvesant Restoration, 1368 Fulton Street between Brooklyn and New York avenues, in Brooklyn.
10 a.m. The NYC Compost Project and the city’s Sanitation Department will host a Composting in the City workshop at the Brooklyn Botanic Garden, 1000 Washington Avenue.
Barack Obama will fund-raise in Birmingham, Alabama.